Commit 60dbede0 authored by Vinicius Costa Gomes's avatar Vinicius Costa Gomes Committed by Jeff Kirsher
Browse files

igc: Add support for ethtool GET_TS_INFO command 



This command allows igc to report what types of timestamping are
supported. ptp4l uses this to detect if the hardware supports
timestamping.

Signed-off-by: default avatarVinicius Costa Gomes <vinicius.gomes@intel.com>
Tested-by: default avatarAaron Brown <aaron.f.brown@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 2c344ae2

drivers/net/ethernet/intel/igc/igc_ethtool.c

+34 −0
Original line number Diff line number Diff line
@@ -1600,6 +1600,39 @@ static int igc_set_channels(struct net_device *netdev, 
	return 0;

}



static int igc_get_ts_info(struct net_device *dev,

			   struct ethtool_ts_info *info)

{

	struct igc_adapter *adapter = netdev_priv(dev);



	if (adapter->ptp_clock)

		info->phc_index = ptp_clock_index(adapter->ptp_clock);

	else

		info->phc_index = -1;



	switch (adapter->hw.mac.type) {

	case igc_i225:

		info->so_timestamping =

			SOF_TIMESTAMPING_TX_SOFTWARE |

			SOF_TIMESTAMPING_RX_SOFTWARE |

			SOF_TIMESTAMPING_SOFTWARE |

			SOF_TIMESTAMPING_TX_HARDWARE |

			SOF_TIMESTAMPING_RX_HARDWARE |

			SOF_TIMESTAMPING_RAW_HARDWARE;



		info->tx_types =

			BIT(HWTSTAMP_TX_OFF) |

			BIT(HWTSTAMP_TX_ON);



		info->rx_filters = BIT(HWTSTAMP_FILTER_NONE);

		info->rx_filters |= BIT(HWTSTAMP_FILTER_ALL);



		return 0;

	default:

		return -EOPNOTSUPP;

	}

}



static u32 igc_get_priv_flags(struct net_device *netdev)

{

	struct igc_adapter *adapter = netdev_priv(netdev);
@@ -1847,6 +1880,7 @@ static const struct ethtool_ops igc_ethtool_ops = { 
	.get_rxfh_indir_size	= igc_get_rxfh_indir_size,

	.get_rxfh		= igc_get_rxfh,

	.set_rxfh		= igc_set_rxfh,

	.get_ts_info		= igc_get_ts_info,

	.get_channels		= igc_get_channels,

	.set_channels		= igc_set_channels,

	.get_priv_flags		= igc_get_priv_flags,